Sitz Reservoir
Sitz Reservoir is an earth dam located in Harney County, Oregon, built in 1924. It carries a Low hazard potential classification.
About Sitz Reservoir
The primary purpose of Sitz Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by James Sitz (private). It impounds the Warmspring Creek near Drewsey.
The dam stands 22 feet tall and stretches 370 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 182 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1924, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 07/11/2018.
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Location
| State | Oregon |
| County | Harney |
| Nearest City | Drewsey |
| River/Stream | Warmspring Creek |
| Coordinates | 43.79182, -118.47484 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 370 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 182 acre-ft |
| Max Storage | 182 acre-ft |
| Normal Storage | 182 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 290 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JAMES SITZ |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/11/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00100 |
| Federal ID | OR00100 |
| More Info | State Dam Safety Program |